Home / 379,909.46-569,865.26-155,269.93

Finding the Fourth Proportional to 379,909.46, 569,865.26 and 155,269.93

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Solution

The fourth proportional to 379,909.46, 569,865.26 and 155,269.93 is: 232,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,909.46 : 569,865.26 = 155,269.93 : x
  2. Step 2: Convert to fraction form
    379,909.46/569,865.26 = 155,269.93/x
  3. Step 3: Cross multiply
    379,909.46x = 569,865.26 × 155,269.93
  4. Step 4: Simplify right side
    379,909.46x = 88,482,939,029.63
  5. Step 5: Solve for x
    x = 88,482,939,029.63/379,909.46
  6. Step 6: Final answer
    x = 232,905.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.